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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1155293Generated: October 30, 2026

Hydrochloric Acid → HCID 12761781, compound

https://huagongshe.com/reaction/1155293

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantDiethyl EtherHCID 3283—
Reactant2-(1,4-BENZODIOXAN-2YL)-METHYLENE-BENZIMIDAZOLEHCID 12761780—
SolventMethanolHCID 887—
ProductHCID 12761781HCID 12761781—

Reaction Steps

Excess 3% hydrogen chloride in methanol is added to a solution of 1.0 g. 2-(1,4-benzodioxan-2-ylmethyl)-benzimidazole in 20 ml methanol. Diethyl ether is added until precipitation is complete. The product is filtered, washed with ether, air dried and recrystallized from methanol/acetone to yield 2-(1,4-benzodioxan-2-ylmethyl)benzimidazole hydrochloride, m.p. 221°-224° C.(d).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04301171
Source datasetuspto-grants-1981_11
ORD IDord-8b575e3ad9084972b5dc20d96bdc3e6f
Source noteuspto-grants-1981_11